623650030 has 16 divisors (see below), whose sum is σ = 1130766480. Its totient is φ = 247638592.

The previous prime is 623650021. The next prime is 623650043. The reversal of 623650030 is 30056326.

It is a junction number, because it is equal to n+sod(n) for n = 623649977 and 623650004.

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, 226240 + ... + 228979.

It is an arithmetic number, because the mean of its divisors is an integer number (70672905).

Almost surely, 2^623650030 is an apocalyptic number.

623650030 is a deficient number, since it is larger than the sum of its proper divisors (507116450).

623650030 is a wasteful number, since it uses less digits than its factorization.

623650030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455363.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 623650030 is about 24972.9860048814. The cubic root of 623650030 is about 854.3719519387.

The spelling of 623650030 in words is "six hundred twenty-three million, six hundred fifty thousand, thirty".