372128023109 has 2 divisors, whose sum is σ = 372128023110. Its totient is φ = 372128023108.

The previous prime is 372128023067. The next prime is 372128023123. The reversal of 372128023109 is 901320821273.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370521777025 + 1606246084 = 608705^2 + 40078^2 .

It is a cyclic number.

It is not a de Polignac number, because 372128023109 - 2⁸ = 372128022853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372128023159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186064011554 + 186064011555.

It is an arithmetic number, because the mean of its divisors is an integer number (186064011555).

Almost surely, 2^372128023109 is an apocalyptic number.

It is an amenable number.

372128023109 is a deficient number, since it is larger than the sum of its proper divisors (1).

372128023109 is an equidigital number, since it uses as much as digits as its factorization.

372128023109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 372128023109 in words is "three hundred seventy-two billion, one hundred twenty-eight million, twenty-three thousand, one hundred nine".