1399910923 has 2 divisors, whose sum is σ = 1399910924. Its totient is φ = 1399910922.

The previous prime is 1399910903. The next prime is 1399910969. The reversal of 1399910923 is 3290199931.

It is an a-pointer prime, because the next prime (1399910969) can be obtained adding 1399910923 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1399910923 - 2¹³ = 1399902731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1399910903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699955461 + 699955462.

It is an arithmetic number, because the mean of its divisors is an integer number (699955462).

Almost surely, 2^1399910923 is an apocalyptic number.

1399910923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399910923 is an equidigital number, since it uses as much as digits as its factorization.

1399910923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 1399910923 is about 37415.3835073222. The cubic root of 1399910923 is about 1118.6652155175.

The spelling of 1399910923 in words is "one billion, three hundred ninety-nine million, nine hundred ten thousand, nine hundred twenty-three".