23401031420 has 48 divisors (see below), whose sum is σ = 56035421568. Its totient is φ = 8132121600.

The previous prime is 23401031387. The next prime is 23401031441. The reversal of 23401031420 is 2413010432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23401031392 and 23401031401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2642756 + ... + 2651595.

It is an arithmetic number, because the mean of its divisors is an integer number (1167404616).

Almost surely, 2^23401031420 is an apocalyptic number.

23401031420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23401031420 is an abundant number, since it is smaller than the sum of its proper divisors (32634390148).

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

23401031420 is a wasteful number, since it uses less digits than its factorization.

23401031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294390 (or 5294388 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23401031420 its reverse (2413010432), we get a palindrome (25814041852).

The spelling of 23401031420 in words is "twenty-three billion, four hundred one million, thirty-one thousand, four hundred twenty".