231456077547 has 16 divisors (see below), whose sum is σ = 313696231680. Its totient is φ = 151760455200.

The previous prime is 231456077539. The next prime is 231456077551. The reversal of 231456077547 is 745770654132.

It is not a de Polignac number, because 231456077547 - 2³ = 231456077539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231456077547.

It is not an unprimeable number, because it can be changed into a prime (231456077947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2156604 + ... + 2261382.

It is an arithmetic number, because the mean of its divisors is an integer number (19606014480).

Almost surely, 2^231456077547 is an apocalyptic number.

231456077547 is a deficient number, since it is larger than the sum of its proper divisors (82240154133).

231456077547 is a wasteful number, since it uses less digits than its factorization.

231456077547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116914.

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 231456077547 in words is "two hundred thirty-one billion, four hundred fifty-six million, seventy-seven thousand, five hundred forty-seven".