351523420445254 has 4 divisors (see below), whose sum is σ = 527285130667884. Its totient is φ = 175761710222626.

The previous prime is 351523420445251. The next prime is 351523420445291. The reversal of 351523420445254 is 452544024325153.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×351523420445254² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 351523420445198 and 351523420445207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351523420445251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87880855111312 + ... + 87880855111315.

It is an arithmetic number, because the mean of its divisors is an integer number (131821282666971).

Almost surely, 2^{351523420445254} is an apocalyptic number.

351523420445254 is a deficient number, since it is larger than the sum of its proper divisors (175761710222630).

351523420445254 is a wasteful number, since it uses less digits than its factorization.

351523420445254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175761710222629.

The product of its (nonzero) digits is 11520000, while the sum is 49.

The spelling of 351523420445254 in words is "three hundred fifty-one trillion, five hundred twenty-three billion, four hundred twenty million, four hundred forty-five thousand, two hundred fifty-four".