1023100028 has 12 divisors (see below), whose sum is σ = 1791394080. Its totient is φ = 511273152.

The previous prime is 1023100027. The next prime is 1023100063. The reversal of 1023100028 is 8200013201.

It is a junction number, because it is equal to n+sod(n) for n = 1023099979 and 1023100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023100021) 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, 60788 + ... + 75771.

It is an arithmetic number, because the mean of its divisors is an integer number (149282840).

Almost surely, 2^1023100028 is an apocalyptic number.

It is an amenable number.

1023100028 is a deficient number, since it is larger than the sum of its proper divisors (768294052).

1023100028 is a wasteful number, since it uses less digits than its factorization.

1023100028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138436 (or 138434 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1023100028 is about 31985.9348464290. The cubic root of 1023100028 is about 1007.6414685580.

Adding to 1023100028 its reverse (8200013201), we get a palindrome (9223113229).

The spelling of 1023100028 in words is "one billion, twenty-three million, one hundred thousand, twenty-eight".