1301423040 has 168 divisors, whose sum is σ = 4493837088. Its totient is φ = 345692160.

The previous prime is 1301423023. The next prime is 1301423051. The reversal of 1301423040 is 403241031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894954 + ... + 896406.

Almost surely, 2^1301423040 is an apocalyptic number.

1301423040 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 1301423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246918544).

1301423040 is an abundant number, since it is smaller than the sum of its proper divisors (3192414048).

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

1301423040 is a wasteful number, since it uses less digits than its factorization.

1301423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1774 counting only the distinct ones).

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

The square root of 1301423040 is about 36075.2413713339. The cubic root of 1301423040 is about 1091.7909675165.

Adding to 1301423040 its reverse (403241031), we get a palindrome (1704664071).

The spelling of 1301423040 in words is "one billion, three hundred one million, four hundred twenty-three thousand, forty".