355145623 has 8 divisors (see below), whose sum is σ = 429756192. Its totient is φ = 286503936.

The previous prime is 355145617. The next prime is 355145671. The reversal of 355145623 is 326541553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355145623 is a prime.

It is a super-2 number, since 2×355145623² = 252256827072116258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355145023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492090 + ... + 1492327.

It is an arithmetic number, because the mean of its divisors is an integer number (53719524).

Almost surely, 2^355145623 is an apocalyptic number.

355145623 is a deficient number, since it is larger than the sum of its proper divisors (74610569).

355145623 is a wasteful number, since it uses less digits than its factorization.

355145623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984441.

The product of its digits is 54000, while the sum is 34.

The square root of 355145623 is about 18845.3077183685. The cubic root of 355145623 is about 708.1666799570.

The spelling of 355145623 in words is "three hundred fifty-five million, one hundred forty-five thousand, six hundred twenty-three".