23431404214140 has 288 divisors, whose sum is σ = 73209794810880. Its totient is φ = 5566201224192.

The previous prime is 23431404214123. The next prime is 23431404214219. The reversal of 23431404214140 is 4141240413432.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1618295421 + ... + 1618309899.

Almost surely, 2^{23431404214140} is an apocalyptic number.

23431404214140 is a gapful number since it is divisible by the number (20) 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 23431404214140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36604897405440).

23431404214140 is an abundant number, since it is smaller than the sum of its proper divisors (49778390596740).

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

23431404214140 is a wasteful number, since it uses less digits than its factorization.

23431404214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17029 (or 16998 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 23431404214140 its reverse (4141240413432), we get a palindrome (27572644627572).

The spelling of 23431404214140 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred four million, two hundred fourteen thousand, one hundred forty".