1312423255 has 16 divisors (see below), whose sum is σ = 1850242464. Its totient is φ = 881066880.

The previous prime is 1312423249. The next prime is 1312423267. The reversal of 1312423255 is 5523242131.

It is a de Polignac number, because none of the positive numbers 2^k-1312423255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917064 + ... + 918493.

It is an arithmetic number, because the mean of its divisors is an integer number (115640154).

Almost surely, 2^1312423255 is an apocalyptic number.

1312423255 is a deficient number, since it is larger than the sum of its proper divisors (537819209).

1312423255 is a wasteful number, since it uses less digits than its factorization.

1312423255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835586.

The product of its digits is 7200, while the sum is 28.

The square root of 1312423255 is about 36227.3826683629. The cubic root of 1312423255 is about 1094.8584444801.

Adding to 1312423255 its reverse (5523242131), we get a palindrome (6835665386).

The spelling of 1312423255 in words is "one billion, three hundred twelve million, four hundred twenty-three thousand, two hundred fifty-five".