1235553473 has 12 divisors (see below), whose sum is σ = 1567938672. Its totient is φ = 962768520.

The previous prime is 1235553467. The next prime is 1235553479. The reversal of 1235553473 is 3743555321.

It is an interprime number because it is at equal distance from previous prime (1235553467) and next prime (1235553479).

It is not a de Polignac number, because 1235553473 - 2¹² = 1235549377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235553479) 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, 1145615 + ... + 1146692.

It is an arithmetic number, because the mean of its divisors is an integer number (130661556).

Almost surely, 2^1235553473 is an apocalyptic number.

It is an amenable number.

1235553473 is a deficient number, since it is larger than the sum of its proper divisors (332385199).

1235553473 is a wasteful number, since it uses less digits than its factorization.

1235553473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292332 (or 2292325 counting only the distinct ones).

The product of its digits is 189000, while the sum is 38.

The square root of 1235553473 is about 35150.4405804536. The cubic root of 1235553473 is about 1073.0513746878.

The spelling of 1235553473 in words is "one billion, two hundred thirty-five million, five hundred fifty-three thousand, four hundred seventy-three".