623032654 has 4 divisors (see below), whose sum is σ = 934548984. Its totient is φ = 311516326.

The previous prime is 623032651. The next prime is 623032661. The reversal of 623032654 is 456230326.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623032651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155758162 + ... + 155758165.

It is an arithmetic number, because the mean of its divisors is an integer number (233637246).

Almost surely, 2^623032654 is an apocalyptic number.

623032654 is a deficient number, since it is larger than the sum of its proper divisors (311516330).

623032654 is a wasteful number, since it uses less digits than its factorization.

623032654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311516329.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 623032654 is about 24960.6220675687. The cubic root of 623032654 is about 854.0899332515.

The spelling of 623032654 in words is "six hundred twenty-three million, thirty-two thousand, six hundred fifty-four".