101432340 has 72 divisors (see below), whose sum is σ = 310722048. Its totient is φ = 26781120.

The previous prime is 101432333. The next prime is 101432347. The reversal of 101432340 is 43234101.

It is an interprime number because it is at equal distance from previous prime (101432333) and next prime (101432347).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101432347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15805 + ... + 21275.

It is an arithmetic number, because the mean of its divisors is an integer number (4315584).

Almost surely, 2^101432340 is an apocalyptic number.

101432340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101432340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155361024).

101432340 is an abundant number, since it is smaller than the sum of its proper divisors (209289708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101432340 is a wasteful number, since it uses less digits than its factorization.

101432340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589 (or 5584 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 101432340 is about 10071.3623706031. The cubic root of 101432340 is about 466.3644971294.

Adding to 101432340 its reverse (43234101), we get a palindrome (144666441).

The spelling of 101432340 in words is "one hundred one million, four hundred thirty-two thousand, three hundred forty".