1023530654 has 4 divisors (see below), whose sum is σ = 1535295984. Its totient is φ = 511765326.

The previous prime is 1023530603. The next prime is 1023530663. The reversal of 1023530654 is 4560353201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4560353201 = 163 ⋅27977627.

It is a super-2 number, since 2×1023530654² = 2095229999355335432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255882662 + ... + 255882665.

It is an arithmetic number, because the mean of its divisors is an integer number (383823996).

Almost surely, 2^1023530654 is an apocalyptic number.

1023530654 is a deficient number, since it is larger than the sum of its proper divisors (511765330).

1023530654 is an equidigital number, since it uses as much as digits as its factorization.

1023530654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511765329.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1023530654 is about 31992.6656282342. The cubic root of 1023530654 is about 1007.7828218758.

Adding to 1023530654 its reverse (4560353201), we get a palindrome (5583883855).

The spelling of 1023530654 in words is "one billion, twenty-three million, five hundred thirty thousand, six hundred fifty-four".