351146745623 has 4 divisors (see below), whose sum is σ = 371802436560. Its totient is φ = 330491054688.

The previous prime is 351146745583. The next prime is 351146745643. The reversal of 351146745623 is 326547641153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326547641153 = 100613 ⋅3245581.

It is a cyclic number.

It is not a de Polignac number, because 351146745623 - 2¹⁴ = 351146729239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351146745643) 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, 10327845443 + ... + 10327845476.

It is an arithmetic number, because the mean of its divisors is an integer number (92950609140).

Almost surely, 2^351146745623 is an apocalyptic number.

351146745623 is a deficient number, since it is larger than the sum of its proper divisors (20655690937).

351146745623 is a wasteful number, since it uses less digits than its factorization.

351146745623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655690936.

The product of its digits is 1814400, while the sum is 47.

The spelling of 351146745623 in words is "three hundred fifty-one billion, one hundred forty-six million, seven hundred forty-five thousand, six hundred twenty-three".