101023321439 has 2 divisors, whose sum is σ = 101023321440. Its totient is φ = 101023321438.

The previous prime is 101023321393. The next prime is 101023321447. The reversal of 101023321439 is 934123320101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101023321439 - 2¹⁶ = 101023255903 is a prime.

It is a super-2 number, since 2×101023321439² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101023321039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511660719 + 50511660720.

It is an arithmetic number, because the mean of its divisors is an integer number (50511660720).

Almost surely, 2^101023321439 is an apocalyptic number.

101023321439 is a deficient number, since it is larger than the sum of its proper divisors (1).

101023321439 is an equidigital number, since it uses as much as digits as its factorization.

101023321439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 101023321439 in words is "one hundred one billion, twenty-three million, three hundred twenty-one thousand, four hundred thirty-nine".