1023451234 has 8 divisors (see below), whose sum is σ = 1653267420. Its totient is φ = 472362096.

The previous prime is 1023451193. The next prime is 1023451271. The reversal of 1023451234 is 4321543201.

It can be written as a sum of positive squares in 2 ways, for example, as 945747009 + 77704225 = 30753^2 + 8815^2 .

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

It is a super-2 number, since 2×1023451234² = 2094904856752245512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023451199 and 1023451208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19681729 + ... + 19681780.

Almost surely, 2^1023451234 is an apocalyptic number.

1023451234 is a deficient number, since it is larger than the sum of its proper divisors (629816186).

1023451234 is a wasteful number, since it uses less digits than its factorization.

1023451234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39363524.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1023451234 is about 31991.4243821684. The cubic root of 1023451234 is about 1007.7567551815.

Adding to 1023451234 its reverse (4321543201), we get a palindrome (5344994435).

The spelling of 1023451234 in words is "one billion, twenty-three million, four hundred fifty-one thousand, two hundred thirty-four".