23635469628 has 48 divisors (see below), whose sum is σ = 61408488960. Its totient is φ = 7861602672.

The previous prime is 23635469623. The next prime is 23635469633. The reversal of 23635469628 is 82696453632.

It is a happy number.

23635469628 is a `hidden beast` number, since 2 + 3 + 6 + 3 + 5 + 4 + 6 + 9 + 628 = 666.

It is an interprime number because it is at equal distance from previous prime (23635469623) and next prime (23635469633).

It is a super-2 number, since 2×23635469628² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23635469623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183876 + ... + 284747.

It is an arithmetic number, because the mean of its divisors is an integer number (1279343520).

Almost surely, 2^23635469628 is an apocalyptic number.

It is an amenable number.

23635469628 is an abundant number, since it is smaller than the sum of its proper divisors (37773019332).

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

23635469628 is a wasteful number, since it uses less digits than its factorization.

23635469628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469103 (or 469095 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 23635469628 in words is "twenty-three billion, six hundred thirty-five million, four hundred sixty-nine thousand, six hundred twenty-eight".