157447322502623 has 4 divisors (see below), whose sum is σ = 157447672620600. Its totient is φ = 157446972384648.

The previous prime is 157447322502551. The next prime is 157447322502647. The reversal of 157447322502623 is 326205223744751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157447322502623 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 (157447322502823) 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, 174383573 + ... + 175284126.

It is an arithmetic number, because the mean of its divisors is an integer number (39361918155150).

Almost surely, 2^{157447322502623} is an apocalyptic number.

157447322502623 is a deficient number, since it is larger than the sum of its proper divisors (350117977).

157447322502623 is an equidigital number, since it uses as much as digits as its factorization.

157447322502623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350117976.

The product of its (nonzero) digits is 16934400, while the sum is 53.

The spelling of 157447322502623 in words is "one hundred fifty-seven trillion, four hundred forty-seven billion, three hundred twenty-two million, five hundred two thousand, six hundred twenty-three".