123151144352 has 12 divisors (see below), whose sum is σ = 242453815506. Its totient is φ = 61575572160.

The previous prime is 123151144351. The next prime is 123151144373. The reversal of 123151144352 is 253441151321.

It can be written as a sum of positive squares in only one way, i.e., 114381945616 + 8769198736 = 338204^2 + 93644^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 3848473261 = 123151144352 / (1 + 2 + 3 + 1 + 5 + 1 + 1 + 4 + 4 + 3 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (123151144351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924236599 + ... + 1924236662.

Almost surely, 2^123151144352 is an apocalyptic number.

It is an amenable number.

123151144352 is a deficient number, since it is larger than the sum of its proper divisors (119302671154).

123151144352 is an equidigital number, since it uses as much as digits as its factorization.

123151144352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848473271 (or 3848473263 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 123151144352 its reverse (253441151321), we get a palindrome (376592295673).

The spelling of 123151144352 in words is "one hundred twenty-three billion, one hundred fifty-one million, one hundred forty-four thousand, three hundred fifty-two".