103213783 has 4 divisors (see below), whose sum is σ = 109285200. Its totient is φ = 97142368.

The previous prime is 103213763. The next prime is 103213867. The reversal of 103213783 is 387312301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387312301 = 1153 ⋅335917.

It is a cyclic number.

It is not a de Polignac number, because 103213783 - 2²⁵ = 69659351 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 (103213763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3035683 + ... + 3035716.

It is an arithmetic number, because the mean of its divisors is an integer number (27321300).

Almost surely, 2^103213783 is an apocalyptic number.

103213783 is a deficient number, since it is larger than the sum of its proper divisors (6071417).

103213783 is an equidigital number, since it uses as much as digits as its factorization.

103213783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071416.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 103213783 is about 10159.4184380800. The cubic root of 103213783 is about 469.0789007149.

The spelling of 103213783 in words is "one hundred three million, two hundred thirteen thousand, seven hundred eighty-three".