234157254557 has 4 divisors (see below), whose sum is σ = 234162277440. Its totient is φ = 234152231676.

The previous prime is 234157254553. The next prime is 234157254619. The reversal of 234157254557 is 755452751432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234157254557 - 2² = 234157254553 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 (234157254553) 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, 2440853 + ... + 2534970.

It is an arithmetic number, because the mean of its divisors is an integer number (58540569360).

Almost surely, 2^234157254557 is an apocalyptic number.

It is an amenable number.

234157254557 is a deficient number, since it is larger than the sum of its proper divisors (5022883).

234157254557 is an equidigital number, since it uses as much as digits as its factorization.

234157254557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022882.

The product of its digits is 5880000, while the sum is 50.

The spelling of 234157254557 in words is "two hundred thirty-four billion, one hundred fifty-seven million, two hundred fifty-four thousand, five hundred fifty-seven".