23433136464 has 40 divisors (see below), whose sum is σ = 64096522560. Its totient is φ = 7351571968.

The previous prime is 23433136429. The next prime is 23433136471. The reversal of 23433136464 is 46463133432.

It is a super-2 number, since 2×23433136464² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14357724 + ... + 14359355.

It is an arithmetic number, because the mean of its divisors is an integer number (1602413064).

Almost surely, 2^23433136464 is an apocalyptic number.

23433136464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23433136464 is an abundant number, since it is smaller than the sum of its proper divisors (40663386096).

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

23433136464 is a wasteful number, since it uses less digits than its factorization.

23433136464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28717107 (or 28717101 counting only the distinct ones).

The product of its digits is 373248, while the sum is 39.

Adding to 23433136464 its reverse (46463133432), we get a palindrome (69896269896).

The spelling of 23433136464 in words is "twenty-three billion, four hundred thirty-three million, one hundred thirty-six thousand, four hundred sixty-four".