351106731723 has 16 divisors (see below), whose sum is σ = 511192281600. Its totient is φ = 212587133280.

The previous prime is 351106731667. The next prime is 351106731757. The reversal of 351106731723 is 327137601153.

It is a happy number.

It is not a de Polignac number, because 351106731723 - 2¹² = 351106727627 is a prime.

It is a super-2 number, since 2×351106731723² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (351106731523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5085828 + ... + 5154401.

It is an arithmetic number, because the mean of its divisors is an integer number (31949517600).

Almost surely, 2^351106731723 is an apocalyptic number.

351106731723 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

351106731723 is a deficient number, since it is larger than the sum of its proper divisors (160085549877).

351106731723 is a wasteful number, since it uses less digits than its factorization.

351106731723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241282.

The product of its (nonzero) digits is 79380, while the sum is 39.

The spelling of 351106731723 in words is "three hundred fifty-one billion, one hundred six million, seven hundred thirty-one thousand, seven hundred twenty-three".