64023100 has 18 divisors (see below), whose sum is σ = 138930344. Its totient is φ = 25609200.

The previous prime is 64023073. The next prime is 64023107. The reversal of 64023100 is 132046.

It is a super-2 number, since 2×64023100² = 8197914667220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64023107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320016 + ... + 320215.

Almost surely, 2^64023100 is an apocalyptic number.

It is an amenable number.

64023100 is an abundant number, since it is smaller than the sum of its proper divisors (74907244).

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

64023100 is a wasteful number, since it uses less digits than its factorization.

64023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640245 (or 640238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 64023100 is about 8001.4436197476. The cubic root of 64023100 is about 400.0481192111.

Adding to 64023100 its reverse (132046), we get a palindrome (64155146).

The spelling of 64023100 in words is "sixty-four million, twenty-three thousand, one hundred".