1237543263132 has 48 divisors (see below), whose sum is σ = 3150220184832. Its totient is φ = 375000007680.

The previous prime is 1237543263091. The next prime is 1237543263133. The reversal of 1237543263132 is 2313623457321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1237543263133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4034748 + ... + 4330620.

It is an arithmetic number, because the mean of its divisors is an integer number (65629587184).

Almost surely, 2^{1237543263132} is an apocalyptic number.

1237543263132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1237543263132 is an abundant number, since it is smaller than the sum of its proper divisors (1912676921700).

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

1237543263132 is a wasteful number, since it uses less digits than its factorization.

1237543263132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327578 (or 327576 counting only the distinct ones).

The product of its digits is 544320, while the sum is 42.

The spelling of 1237543263132 in words is "one trillion, two hundred thirty-seven billion, five hundred forty-three million, two hundred sixty-three thousand, one hundred thirty-two".