345446152623 has 128 divisors (see below), whose sum is σ = 638847820800. Its totient is φ = 181878566400.

The previous prime is 345446152619. The next prime is 345446152697. The reversal of 345446152623 is 326251644543.

345446152623 is a `hidden beast` number, since 3 + 4 + 5 + 4 + 4 + 6 + 15 + 2 + 623 = 666.

It is not a de Polignac number, because 345446152623 - 2² = 345446152619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345446152123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18959988 + ... + 18978198.

It is an arithmetic number, because the mean of its divisors is an integer number (4990998600).

Almost surely, 2^345446152623 is an apocalyptic number.

345446152623 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345446152623 is a deficient number, since it is larger than the sum of its proper divisors (293401668177).

345446152623 is a wasteful number, since it uses less digits than its factorization.

345446152623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18295 (or 18255 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 345446152623 in words is "three hundred forty-five billion, four hundred forty-six million, one hundred fifty-two thousand, six hundred twenty-three".