156532341023 has 4 divisors (see below), whose sum is σ = 156611121240. Its totient is φ = 156453560808.

The previous prime is 156532340929. The next prime is 156532341029. The reversal of 156532341023 is 320143235651.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 156532341023 - 2¹² = 156532336927 is a prime.

It is a super-2 number, since 2×156532341023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156532341029) 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, 39387128 + ... + 39391101.

It is an arithmetic number, because the mean of its divisors is an integer number (39152780310).

Almost surely, 2^156532341023 is an apocalyptic number.

156532341023 is a deficient number, since it is larger than the sum of its proper divisors (78780217).

156532341023 is an equidigital number, since it uses as much as digits as its factorization.

156532341023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78780216.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 156532341023 its reverse (320143235651), we get a palindrome (476675576674).

The spelling of 156532341023 in words is "one hundred fifty-six billion, five hundred thirty-two million, three hundred forty-one thousand, twenty-three".