623401675 has 24 divisors (see below), whose sum is σ = 834790320. Its totient is φ = 459081600.

The previous prime is 623401663. The next prime is 623401687. The reversal of 623401675 is 576104326.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (623401663) and next prime (623401687).

It is not a de Polignac number, because 623401675 - 2⁵ = 623401643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623401675.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123960 + ... + 128890.

It is an arithmetic number, because the mean of its divisors is an integer number (34782930).

Almost surely, 2^623401675 is an apocalyptic number.

623401675 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

623401675 is a deficient number, since it is larger than the sum of its proper divisors (211388645).

623401675 is a wasteful number, since it uses less digits than its factorization.

623401675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 623401675 is about 24968.0130366836. The cubic root of 623401675 is about 854.2585252258.

The spelling of 623401675 in words is "six hundred twenty-three million, four hundred one thousand, six hundred seventy-five".