1023905157 has 16 divisors (see below), whose sum is σ = 1490130432. Its totient is φ = 620209520.

The previous prime is 1023905153. The next prime is 1023905161. The reversal of 1023905157 is 7515093201.

1023905157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1023905153) and next prime (1023905161).

It is a cyclic number.

It is not a de Polignac number, because 1023905157 - 2² = 1023905153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023905153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61438 + ... + 76304.

It is an arithmetic number, because the mean of its divisors is an integer number (93133152).

Almost surely, 2^1023905157 is an apocalyptic number.

It is an amenable number.

1023905157 is a deficient number, since it is larger than the sum of its proper divisors (466225275).

1023905157 is a wasteful number, since it uses less digits than its factorization.

1023905157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16968.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 1023905157 is about 31998.5180438095. The cubic root of 1023905157 is about 1007.9057205457.

Adding to 1023905157 its reverse (7515093201), we get a palindrome (8538998358).

The spelling of 1023905157 in words is "one billion, twenty-three million, nine hundred five thousand, one hundred fifty-seven".