1023956053 has 8 divisors (see below), whose sum is σ = 1107257472. Its totient is φ = 943217856.

The previous prime is 1023956039. The next prime is 1023956077. The reversal of 1023956053 is 3506593201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023956053 - 2²⁹ = 487085141 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 (1023956023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639975 + ... + 641572.

It is an arithmetic number, because the mean of its divisors is an integer number (138407184).

Almost surely, 2^1023956053 is an apocalyptic number.

It is an amenable number.

1023956053 is a deficient number, since it is larger than the sum of its proper divisors (83301419).

1023956053 is a wasteful number, since it uses less digits than its factorization.

1023956053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281611.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 1023956053 is about 31999.3133207574. The cubic root of 1023956053 is about 1007.9224205038.

The spelling of 1023956053 in words is "one billion, twenty-three million, nine hundred fifty-six thousand, fifty-three".