1023123034 has 4 divisors (see below), whose sum is σ = 1534684554. Its totient is φ = 511561516.

The previous prime is 1023123011. The next prime is 1023123043. The reversal of 1023123034 is 4303213201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4303213201 = 7 ⋅614744743.

It can be written as a sum of positive squares in only one way, i.e., 1020610809 + 2512225 = 31947^2 + 1585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255780757 + ... + 255780760.

Almost surely, 2^1023123034 is an apocalyptic number.

1023123034 is a deficient number, since it is larger than the sum of its proper divisors (511561520).

1023123034 is an equidigital number, since it uses as much as digits as its factorization.

1023123034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511561519.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1023123034 is about 31986.2944712263. The cubic root of 1023123034 is about 1007.6490212981.

Adding to 1023123034 its reverse (4303213201), we get a palindrome (5326336235).

The spelling of 1023123034 in words is "one billion, twenty-three million, one hundred twenty-three thousand, thirty-four".