2123021031379 has 2 divisors, whose sum is σ = 2123021031380. Its totient is φ = 2123021031378.

The previous prime is 2123021031293. The next prime is 2123021031401. The reversal of 2123021031379 is 9731301203212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123021031379 - 2³⁵ = 2088661293011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123021031179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061510515689 + 1061510515690.

It is an arithmetic number, because the mean of its divisors is an integer number (1061510515690).

Almost surely, 2^{2123021031379} is an apocalyptic number.

2123021031379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123021031379 is an equidigital number, since it uses as much as digits as its factorization.

2123021031379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 2123021031379 in words is "two trillion, one hundred twenty-three billion, twenty-one million, thirty-one thousand, three hundred seventy-nine".