1423153565232 has 40 divisors (see below), whose sum is σ = 4201691479296. Its totient is φ = 406615304256.

The previous prime is 1423153565231. The next prime is 1423153565261. The reversal of 1423153565232 is 2325653513241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1423153565231) 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, 2117787708 + ... + 2117788379.

Almost surely, 2^{1423153565232} is an apocalyptic number.

1423153565232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423153565232 is an abundant number, since it is smaller than the sum of its proper divisors (2778537914064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423153565232 is a wasteful number, since it uses less digits than its factorization.

1423153565232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235576105 (or 4235576099 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 1423153565232 in words is "one trillion, four hundred twenty-three billion, one hundred fifty-three million, five hundred sixty-five thousand, two hundred thirty-two".