7140249923 has 2 divisors, whose sum is σ = 7140249924. Its totient is φ = 7140249922.

The previous prime is 7140249911. The next prime is 7140249929. The reversal of 7140249923 is 3299420417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7140249923 - 2⁶ = 7140249859 is a prime.

It is not a weakly prime, because it can be changed into another prime (7140249929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570124961 + 3570124962.

It is an arithmetic number, because the mean of its divisors is an integer number (3570124962).

Almost surely, 2^7140249923 is an apocalyptic number.

7140249923 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140249923 is an equidigital number, since it uses as much as digits as its factorization.

7140249923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 7140249923 is about 84499.9995443787. Note that the first 3 decimals coincide. The cubic root of 7140249923 is about 1925.6224375429.

The spelling of 7140249923 in words is "seven billion, one hundred forty million, two hundred forty-nine thousand, nine hundred twenty-three".