13732021123 has 2 divisors, whose sum is σ = 13732021124. Its totient is φ = 13732021122.

The previous prime is 13732021117. The next prime is 13732021151. The reversal of 13732021123 is 32112023731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13732021123 - 2⁵ = 13732021091 is a prime.

It is a super-2 number, since 2×13732021123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13732022123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6866010561 + 6866010562.

It is an arithmetic number, because the mean of its divisors is an integer number (6866010562).

Almost surely, 2^13732021123 is an apocalyptic number.

13732021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13732021123 is an equidigital number, since it uses as much as digits as its factorization.

13732021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 13732021123 its reverse (32112023731), we get a palindrome (45844044854).

The spelling of 13732021123 in words is "thirteen billion, seven hundred thirty-two million, twenty-one thousand, one hundred twenty-three".