623323645035 has 192 divisors, whose sum is σ = 1306179883008. Its totient is φ = 251116056576.

The previous prime is 623323645033. The next prime is 623323645069. The reversal of 623323645035 is 530546323326.

It is not a de Polignac number, because 623323645035 - 2¹ = 623323645033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623323645033) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 130318254 + ... + 130323036.

It is an arithmetic number, because the mean of its divisors is an integer number (6803020224).

Almost surely, 2^623323645035 is an apocalyptic number.

623323645035 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

623323645035 is an abundant number, since it is smaller than the sum of its proper divisors (682856237973).

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

623323645035 is a wasteful number, since it uses less digits than its factorization.

623323645035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434 (or 5427 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 42.

The spelling of 623323645035 in words is "six hundred twenty-three billion, three hundred twenty-three million, six hundred forty-five thousand, thirty-five".