1013151223 has 12 divisors (see below), whose sum is σ = 1183065232. Its totient is φ = 849925440.

The previous prime is 1013151211. The next prime is 1013151239. The reversal of 1013151223 is 3221513101.

It is a de Polignac number, because none of the positive numbers 2^k-1013151223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013151223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013451223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17298 + ... + 48223.

Almost surely, 2^1013151223 is an apocalyptic number.

1013151223 is a deficient number, since it is larger than the sum of its proper divisors (169914009).

1013151223 is an frugal number, since it uses more digits than its factorization.

1013151223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65622 (or 65575 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1013151223 is about 31830.0364907111. The cubic root of 1013151223 is about 1004.3646630009.

Adding to 1013151223 its reverse (3221513101), we get a palindrome (4234664324).

The spelling of 1013151223 in words is "one billion, thirteen million, one hundred fifty-one thousand, two hundred twenty-three".