1310423553 has 6 divisors (see below), whose sum is σ = 1892834034. Its totient is φ = 873615696.

The previous prime is 1310423539. The next prime is 1310423573. The reversal of 1310423553 is 3553240131.

1310423553 is a `hidden beast` number, since 1 + 3 + 104 + 2 + 3 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 917908209 + 392515344 = 30297^2 + 19812^2 .

It is not a de Polignac number, because 1310423553 - 2¹³ = 1310415361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310423503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72801300 + ... + 72801317.

It is an arithmetic number, because the mean of its divisors is an integer number (315472339).

Almost surely, 2^1310423553 is an apocalyptic number.

It is an amenable number.

1310423553 is a deficient number, since it is larger than the sum of its proper divisors (582410481).

1310423553 is a wasteful number, since it uses less digits than its factorization.

1310423553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145602623 (or 145602620 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1310423553 is about 36199.7728307789. The cubic root of 1310423553 is about 1094.3020935910.

Adding to 1310423553 its reverse (3553240131), we get a palindrome (4863663684).

The spelling of 1310423553 in words is "one billion, three hundred ten million, four hundred twenty-three thousand, five hundred fifty-three".