345465623757 has 4 divisors (see below), whose sum is σ = 460620831680. Its totient is φ = 230310415836.

The previous prime is 345465623747. The next prime is 345465623813. The reversal of 345465623757 is 757326564543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-345465623757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345465623697 and 345465623706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345465623747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57577603957 + ... + 57577603962.

It is an arithmetic number, because the mean of its divisors is an integer number (115155207920).

Almost surely, 2^345465623757 is an apocalyptic number.

It is an amenable number.

345465623757 is a deficient number, since it is larger than the sum of its proper divisors (115155207923).

345465623757 is a wasteful number, since it uses less digits than its factorization.

345465623757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115155207922.

The product of its digits is 63504000, while the sum is 57.

The spelling of 345465623757 in words is "three hundred forty-five billion, four hundred sixty-five million, six hundred twenty-three thousand, seven hundred fifty-seven".