2312157734 has 4 divisors (see below), whose sum is σ = 3468236604. Its totient is φ = 1156078866.

The previous prime is 2312157721. The next prime is 2312157737. The reversal of 2312157734 is 4377512132.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2312157694 and 2312157703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312157737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578039432 + ... + 578039435.

It is an arithmetic number, because the mean of its divisors is an integer number (867059151).

Almost surely, 2^2312157734 is an apocalyptic number.

2312157734 is a deficient number, since it is larger than the sum of its proper divisors (1156078870).

2312157734 is a wasteful number, since it uses less digits than its factorization.

2312157734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156078869.

The product of its digits is 35280, while the sum is 35.

The square root of 2312157734 is about 48084.9013100786. The cubic root of 2312157734 is about 1322.3278738442.

Adding to 2312157734 its reverse (4377512132), we get a palindrome (6689669866).

The spelling of 2312157734 in words is "two billion, three hundred twelve million, one hundred fifty-seven thousand, seven hundred thirty-four".