1965102223 has 8 divisors (see below), whose sum is σ = 2291664800. Its totient is φ = 1684373040.

The previous prime is 1965102197. The next prime is 1965102229. The reversal of 1965102223 is 3222015691.

It is not a de Polignac number, because 1965102223 - 2⁹ = 1965101711 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 (1965102229) 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, 2864238 + ... + 2864923.

It is an arithmetic number, because the mean of its divisors is an integer number (286458100).

Almost surely, 2^1965102223 is an apocalyptic number.

1965102223 is a deficient number, since it is larger than the sum of its proper divisors (326562577).

1965102223 is an frugal number, since it uses more digits than its factorization.

1965102223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729182 (or 5729168 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1965102223 is about 44329.4735249585. The cubic root of 1965102223 is about 1252.5499356322.

The spelling of 1965102223 in words is "one billion, nine hundred sixty-five million, one hundred two thousand, two hundred twenty-three".