1012131323 has 8 divisors (see below), whose sum is σ = 1181332992. Its totient is φ = 849082536.

The previous prime is 1012131319. The next prime is 1012131359. The reversal of 1012131323 is 3231312101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012131323 - 2² = 1012131319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012131623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537865 + ... + 1538522.

It is an arithmetic number, because the mean of its divisors is an integer number (147666624).

Almost surely, 2^1012131323 is an apocalyptic number.

1012131323 is a deficient number, since it is larger than the sum of its proper divisors (169201669).

1012131323 is an equidigital number, since it uses as much as digits as its factorization.

1012131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076441.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1012131323 is about 31814.0114257853. The cubic root of 1012131323 is about 1004.0275315461.

Adding to 1012131323 its reverse (3231312101), we get a palindrome (4243443424).

The spelling of 1012131323 in words is "one billion, twelve million, one hundred thirty-one thousand, three hundred twenty-three".