102623949 has 8 divisors (see below), whose sum is σ = 152035520. Its totient is φ = 68415948.

The previous prime is 102623933. The next prime is 102623957. The reversal of 102623949 is 949326201.

102623949 is a `hidden beast` number, since 1 + 0 + 262 + 394 + 9 = 666.

It is not a de Polignac number, because 102623949 - 2⁴ = 102623933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102623149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900417 + ... + 1900470.

It is an arithmetic number, because the mean of its divisors is an integer number (19004440).

Almost surely, 2^102623949 is an apocalyptic number.

It is an amenable number.

102623949 is a deficient number, since it is larger than the sum of its proper divisors (49411571).

102623949 is an equidigital number, since it uses as much as digits as its factorization.

102623949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800896 (or 3800890 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 102623949 is about 10130.3479209749. The cubic root of 102623949 is about 468.1836475180.

The spelling of 102623949 in words is "one hundred two million, six hundred twenty-three thousand, nine hundred forty-nine".